DAE INSTRUMENT CC1000a06, Reference

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Command & Data Formats
Command & Data Formats
Read DO Status
Command Format
✦
N = 1 to 32
Query
CC1000
Address
3 Reg-H Reg-L 0 N CRC-L CRC-H
Reply
CC1000
Address
3 Nx2 Data1-H Data1-L . . . DataN-H DataN-L CRC-L CRC-H
Data Format
Byte
Bit #
Data-H (high byte) Data-H (high byte) Data-H (high byte) Data-H (high byte) Data-H (high byte) Data-H (high byte) Data-H (high byte) Data-H (high byte) Data-L (low byte) Data-L (low byte) Data-L (low byte) Data-L (low byte) Data-L (low byte) Data-L (low byte) Data-L (low byte) Data-L (low byte)
7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0
Bit State
DO
LT
0 = Off, 1 = On 0 = Off, 1 = On 0 = Off, 1 = On 0 = Off, 1 = On 0 = Off, 1 = On 0 = Off, 1 = On 0 = Off, 1 = On 0 = Off, 1 = On 0 = Off, 1 = On 0 = Off, 1 = On 0 = Off, 1 = On 0 = Off, 1 = On 0 = Off, 1 = On 0 = Off, 1 = On 0 = Off, 1 = On 0 = Off, 1 = On
8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1
LT n+1 (even) LT n+1 (even) LT n+1 (even) LT n+1 (even) LT n+1 (even) LT n+1 (even) LT n+1 (even) LT n+1 (even) LT n (odd) LT n (odd) LT n (odd) LT n (odd) LT n (odd) LT n (odd) LT n (odd) LT n (odd)
LT to Register Address Conversion
❖
Reg = (LT-1) div 2
Read DI Status
Command Format
✦
N = 1 to 64
Query
CC1000
Address
3 Reg-H Reg-L 0 N CRC-L CRC-H
Reply
CC1000
Address
3 Nx2 Data1-H Data1-L . . . DataN-H DataN-L CRC-L CRC-H
Data Format
Byte
Bit #
High Byte High Byte High Byte High Byte High Byte High Byte High Byte High Byte Low Byte Low Byte Low Byte Low Byte Low Byte Low Byte Low Byte Low Byte
7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0
Bit State
DI
0 = Off, 1 = On 0 = Off, 1 = On 0 = Off, 1 = On 0 = Off, 1 = On 0 = Off, 1 = On 0 = Off, 1 = On 0 = Off, 1 = On 0 = Off, 1 = On 0 = Off, 1 = On 0 = Off, 1 = On 0 = Off, 1 = On 0 = Off, 1 = On 0 = Off, 1 = On 0 = Off, 1 = On 0 = Off, 1 = On 0 = Off, 1 = On
16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
LT to Register Address Conversion
❖
Reg = LT+31
CC1000 Modbus Reference 2.10e ! 14/122